Calendar of Upcoming Events

2021 has seen the resume of in-person workshops.  Dave has been pleased to present this year in Nebraska, Texas, Virginia and Maryland, and looks forward to more opportunities as the country moves forward, thanks to everyone's diligence, cooperation, and care.  Please be safe and we hope to see you soon.

Below are training events currently scheduled:


                                     - Star Shot Astronomy



                 Check back later to see where Dave is presenting next!




What people are saying about Dave and Base 9 Geodetic Consulting Services workshops:


  • "You are the Neil deGrasse Tyson of Surveying"

  • "Great speaker!! Very informed; please come back."

  • "Always learn new things from David Doyle.""

  • "A great speaker. Very knowledgeable and easy to listen to. Lots of good information."

  • "Extremely informative. Dave is always an excellent presenter."

  • "Would like to see this seminar each year to keep updated on NSRS."

  • "Invaluable presenter with wealth of knowledge and the wisdom to make understanding content easier."

  • "Instructor extremely informative and knowledgeable. Would recommend every surveyor take his class."

  • "This course should be repeated in future conferences."

  • "Good speaker and did not talk over our heads."

  • "Very experienced, based on 'real world' experience."




You can contact these organizations, who have hosted Base 9 Geodetic Consulting Services seminars, for references/reviews:

Maryland Surveyors Society - October 2021

Virginia Association of Surveyors - September 2021, January 2021

Texas Society of Professional Surveyors - September 2021

Professional Surveyors Association of Nebraska - June 2021

New Jersey Society of Professional Land Surveyors - March 2021, February 2020

Tennessee Association of Professional Surveyors - March 2020

Land Surveyors Association of Washington - February 2020

West Virginia Society of Professional Surveyors - February 2020

Vermont Society of Land Surveyors - September 2019

Arizona Professional Land Surveyors - March 2019





Videos/recordings of Dave's seminars:

-- "Relationship of and transformations between most common reference frames used in the U.S."; January 30, 2015 

-- "Modernization of the National Spatial Reference System "; March 14, 2014

-- Fundamentals of Geodesy, November 14, 2014, 4:24

-- NGS Datasheets Tips, January 12, 2015, 3:59